The Elevate Outdoor 2-Bike Folding Hitch Rack mounts to a 2in Class III/IV vehicle hitch receiver for transporting 1-2 bicycles. When desired the adapter can be removed allowing the bike rack to work with 1.25in Class I/II receivers. It features a reinforced gusset connecting the 2in x 2in main support tube to the receiver tube designed to balance the bicycle weight and prevent the rack from sagging downward. Each hitch bicycle rack includes a spring-loaded tilt lock and locking pins. These allow cradle to fold for storage or the entire rack to tilt away from the vehicle rear hatch/tailgate access. Also included are 9in rubber tie-downs for securing bicycles with frames up to 1-5/8inD to the transport cradles and a 12 safety tie-down strap. This rack is made with powder-coated steel. Please note: The measurement from the end of the support brace to the center of the hitch pin hole is 2.5in measure your hitch receiver to make sure this rack will fit your vehicle.